GHSA-hj5v-574p-mj7c

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    GHSA-hj5v-574p-mj7c

    Published: 20 Apr 2021Last Modified: 4 Nov 2025

    Summary: py vulnerable to Regular Expression Denial of Service

    Details: A denial of service via regular expression in the py.path.svnwc component of py (aka python-py) through 1.9.0 could be used by attackers to cause a compute-time denial of service attack by supplying malicious input to the blame functionality.

    References: https://nvd.nist.gov/vuln/detail/CVE-2020-29651, https://github.com/pytest-dev/py/issues/256, https://github.com/pytest-dev/py/pull/257, https://github.com/pytest-dev/py/pull/257/commits/4a9017dc6199d2a564b6e4b0aa39d6d8870e4144, https://github.com/advisories/GHSA-hj5v-574p-mj7c, https://github.com/pypa/advisory-database/tree/main/vulns/py/PYSEC-2020-92.yaml, https://github.com/pytest-dev/py, https://lists.debian.org/debian-lts-announce/2024/11/msg00024.html, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AYWNYEV3FGDHPIHX4DDUDMFZ6NLCQRC4, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CHDTINIBJZ67T3W74QTBIY5LPKAXEOGR, https://lists.fedoraproject.org/archives/list/[email protected]/message/AYWNYEV3FGDHPIHX4DDUDMFZ6NLCQRC4, https://lists.fedoraproject.org/archives/list/[email protected]/message/CHDTINIBJZ67T3W74QTBIY5LPKAXEOGR, https://www.oracle.com/security-alerts/cpujul2022.html

    Affected packages

    Package

    Name: py

    Purl: pkg:pypi/py

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1.10.0

    Affected versions

    0.8.0-alpha2

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    GHSA-hj5v-574p-mj7c | CVE-DB